It's a normal part of life but it really sucks when it happens.
Search about the summary on the website spark notes. it will be very helpful for you in each story.
The best resource for comparing and contrasting information on cancer diseases would be option C --The science of malignant tumors. Option A is about how to beat a specific type of cancer but it does not compare or contrast information on different types of cancer. Option B seems to be a kind of biography, which may or may not contain specific information about cancer. Option D is a medical dictionary which probably contains information about different kinds of cancer, but to use it, the reader should know what word to look up. Option C is the only one addressing malignant tumors, and therefore, it is to be expected to provide information to compare and contrast different types of cancer.
Wdym??? A caption is a text below an image, so if you are talking about something else add a picture